<?php
// $Id$
// For Drupal 4.7 with Gallery 2.1

$path = drupal_get_path('module', 'gallery');
require_once($path . '/gallery_base.inc');

/**
 * Implementation of hook_menu
 */
function gallery_menu($may_cache) {
  global $user;
  $items = array();
  $view_access = (user_access('access user profiles') || ($user->uid == arg(1)));
  if ($may_cache) {
    $items[] = array(
      'path' => 'gallery',
      'title' => t('Gallery'),
      'callback' => 'gallery_page',
      'access' => user_access('access gallery'),
      'type' => MENU_NORMAL_ITEM,
      ); 
    $items[] = array(
      'path' => 'admin/user/gallery', 
      'title' => t('Gallery user and role sync'),
      'description' => t('Show user sync status between Gallery2 and Drupal.'),
      'callback' => 'gallery_users',
      'access' => user_access('administer users'),
      );
    $items[] = array(
      'path' => 'admin/settings/gallery',
      'title' => t('Gallery settings'),
      'description' => t('Configure settings for embedding Gallery2 into Drupal.'),
      'callback' => 'drupal_get_form',
      'callback arguments' => 'gallery_admin_settings',
      'access' => user_access('administer site configuration'),
      'type' => MENU_NORMAL_ITEM,
      );
  } else {
    drupal_add_css(drupal_get_path('module', 'gallery') .'/drupal_g2.css', 'module', 'all');
  }
  return $items;
} 

/**
 * Implementation of hook_help
 */
function gallery_help($section) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_help.inc');
  return _gallery_help($section);
}

/**
 * Implementation of hook_settings
 */
function gallery_admin_settings() {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_settings.inc');
  return system_settings_form(_gallery_settings());
}

/**
 * Implementation of hook_user
 */
function gallery_user($op, &$edit, &$user, $category = NULL) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_user.inc');

  $gallery_user = drupal_clone($user);
  switch ($op) {
  case 'login':
    /* _gallery_init() will try to create the user, if necessary */
    list ($success, $ret) = _gallery_init();
    if (!$success) {
      gallery_error(t('Unable to log in to Gallery'), $ret);
      return;
    }
    break;
  case 'logout':
    if (variable_get('gallery_valid', 0)) {
      $embedPath = variable_get('gallery_dir', './gallery2/') . 'embed.php';
      require_once($embedPath);
      $ret = GalleryEmbed::logout();
      break;
    }
  case 'view':
    return gallery_view_user($gallery_user);
  case 'insert':
    return gallery_insert_user($edit, $gallery_user);
  case 'update':
    return gallery_update_user($edit, $gallery_user);
  case 'delete':
    return gallery_delete_user($gallery_user);
  }
}

/**
 * Gallery Users Page - view a set of users
 */
function gallery_users() {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_user.inc');
  return _gallery_users();
}

/**
 * implementation of hook_search
 */
function gallery_search($op = 'search', $keys = null) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_search.inc');
  return _gallery_search($op, $keys); 
}

/**
 * Implementation of hook_search_item to override how to display the item
 */
function gallery_search_page($results) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_search.inc');
  return _gallery_search_page($results); 
}  

/**
 * Implementation of hook_filter
 */
function gallery_filter($op, $delta = 0, $format = -1, $text = '') {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_filter.inc');
	switch ($op) {
		case 'list' :
			return array (0 => t('Gallery2 filter'));
		case 'description' :
			return t('Allow users to easily reference Gallery2 items from nodes.');
		case 'process' :
			return gallery_filter_process($text);
		case 'no cache': 
		  return !variable_get('gallery_filter_can_cache', 1);
		default :
			return $text;
	}
}

/**
 * Implementation of hook_filter_tips
 */
function gallery_filter_tips($delta = 0, $format = -1, $long = false) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_help.inc');
	if ($long) {
		return gallery_filter_long_tip_translated();
	} else {
		return gallery_filter_short_tip_translated();
	}
}

/**
 * Implementation of hook_perm().
 */
function gallery_perm() {
  return array('access gallery', 'access standalone g2image');
}

/**
 * Implementation of hook_elements() - from img_assist
 */
function gallery_elements() {
  $type['textarea'] = array('#process' => array('gallery_g2image_textarea' => array()));
  return $type;
}

/*
 * Add image link underneath textareas
 */
function gallery_g2image_textarea($element) {
    $path = drupal_get_path('module', 'gallery');
    require_once($path . '/gallery_g2image.inc');
    if (_gallery_g2image_page_match() && !strstr($_GET['q'], 'gallery') && 
      (variable_get('gallery_g2image_mode', 'disabled') == 'standalone') &&
      (user_access('access standalone g2image'))) {
    gallery_g2image_add_js();
    $output = theme('gallery_g2image_textarea_link', $element, $link);
    $element['#suffix'] .= $output;
  }
  return $element;
}

/**
 * Implementation of hook_block
 *
 */
function gallery_block($op = 'list', $delta = 0, $edit = array()) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_block.inc');
  return _gallery_block($op, $delta, $edit);
}

/**
 * Main gallery display page
 */
function gallery_page() {
  global $gallery_sidebar;
  list ($success, $ret) = _gallery_init(true);
  if (!$success) {
    $err_msg = t('Unable to initialize embedded Gallery. You need to <a href="@link">
                  configure your embedded Gallery</a>.',
                  array('@link' => url('admin/settings/gallery')));
    gallery_error($err_msg, $ret, TRUE);
    return '';
  }
  // Turn off sidebar
  GalleryCapabilities::set('showSidebarBlocks', false);
  $result = GalleryEmbed::handleRequest();
  if (!$result['isDone']) {
    list($title, $css, $javascript) = GalleryEmbed::parseHead($result['headHtml']);
    if (!empty($javascript)) {
      gallery_set_html_head(implode("\n", $javascript));
    }
    gallery_set_html_head(implode("\n", $css));
    drupal_set_title($title);
    // Add pathbar. See http://gallery.menalto.com/node/33447
    if (isset($result['themeData'])) {
      $urlGenerator =& $GLOBALS['gallery']->getUrlGenerator();
      $breadcrumb = array(l(t('Home'), ''));
      // Some themes (eg hybrid) do not set $result['themeData']['parents']
      if ($result['themeData']['parents']) {
        foreach ($result['themeData']['parents'] as $parent) {
          $parent_title = $parent['title'];
          // Simple strip of bbcode (italics) 
          $parent_title = str_replace("[i]", "<i>", $parent_title);
          $parent_title = str_replace("[/i]", "</i>", $parent_title);
          // Still does not generate a clean url for /gallery (uses index.php?q=gallery)
          $link = $urlGenerator->generateUrl(
            array('view' => 'core.ShowItem', 
                  'itemId' => $parent['id']), 
            array('forceFullUrl' => 1,
	          'htmlEntities' => false));
          $breadcrumb[] = l($parent_title, $link);
        }
      }
      drupal_set_breadcrumb($breadcrumb);
    }
    // Store the sidebar info in a global variable for use in the gallery navigation block 
    $gallery_sidebar = $result['sidebarBlocksHtml'];

    return $result['bodyHtml'];
  }
}

?>